public Lib1Wrapper(string filename)
{
_dllhandle = NativeLibrary.LoadLibrary(filename);
if (_dllhandle == IntPtr.Zero)
{
return;
}
var get_function_handle = NativeLibrary.GetProcAddress(_dllhandle, "GetString");
if (get_function_handle != IntPtr.Zero)
{
_getstring = (GetVersionDelegate)Marshal.GetDelegateForFunctionPointer(get_function_handle, typeof(GetVersionDelegate));
}
}
public NXTProtocol(object s, NXTStreamType stype)
{
stream = s;
streamType = stype;
cmdThread = new Thread(CommandWorker);
lsGetStatusDelegate = null;
lsReadDelegate = null;
ultrasonicDelegate = null;
batteryLevelDelegate = null;
getVersionDelegate = null;
getOutputDelegate = null;
getInputDelegate = null;
messageReadDelegate = null;
keepAliveDelegate = null;
}
private void DelegateGetPlatformMessage()
{
// Get handle to method in DLL
var get_version_handle = NativeLibrary.GetProcAddress(_dllhandle, "GetPlatformMessage");
// If successful, load function pointer
if (get_version_handle != IntPtr.Zero)
{
_getversion = (GetVersionDelegate)Marshal.GetDelegateForFunctionPointer(
get_version_handle,
typeof(GetVersionDelegate));
}
else
{
int win32error = Marshal.GetLastWin32Error();
Logger.Info($"Unable to get handle on GetProcAddress for GetPlatformMessage. Win32 error {win32error}");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="WafNative"/> class.
/// </summary>
/// <param name="handle">Can't be a null pointer. Waf library must be loaded by now</param>
internal WafNative(IntPtr handle)
{
_initField = GetDelegateForNativeFunction <InitDelegate>(handle, "ddwaf_init");
_destroyField = GetDelegateForNativeFunction <DestroyDelegate>(handle, "ddwaf_destroy");
_initContextField = GetDelegateForNativeFunction <InitContextDelegate>(handle, "ddwaf_context_init");
_runField = GetDelegateForNativeFunction <RunDelegate>(handle, "ddwaf_run");
_contextDestroyField = GetDelegateForNativeFunction <ContextDestroyDelegate>(handle, "ddwaf_context_destroy");
_resultFreeField = GetDelegateForNativeFunction <ResultFreeDelegate>(handle, "ddwaf_result_free");
_objectInvalidField = GetDelegateForNativeFunction <ObjectInvalidDelegate>(handle, "ddwaf_object_invalid");
_objectStringLengthFieldX64 =
Environment.Is64BitProcess ?
GetDelegateForNativeFunction <ObjectStringLengthDelegateX64>(handle, "ddwaf_object_stringl") :
null;
_objectStringLengthFieldX86 =
Environment.Is64BitProcess ?
null :
GetDelegateForNativeFunction <ObjectStringLengthDelegateX86>(handle, "ddwaf_object_stringl");
_objectSignedField = GetDelegateForNativeFunction <ObjectSignedDelegate>(handle, "ddwaf_object_signed");
_objectUnsignField = GetDelegateForNativeFunction <ObjectUnsignedDelegate>(handle, "ddwaf_object_unsigned");
_objectArrayField = GetDelegateForNativeFunction <ObjectArrayDelegate>(handle, "ddwaf_object_array");
_objectMapField = GetDelegateForNativeFunction <ObjectMapDelegate>(handle, "ddwaf_object_map");
_objectArrayAddField = GetDelegateForNativeFunction <ObjectArrayAddDelegate>(handle, "ddwaf_object_array_add");
_objectMapAddFieldX64 =
Environment.Is64BitProcess ?
GetDelegateForNativeFunction <ObjectMapAddDelegateX64>(handle, "ddwaf_object_map_addl") :
null;
_objectMapAddFieldX86 =
Environment.Is64BitProcess ?
null :
GetDelegateForNativeFunction <ObjectMapAddDelegateX86>(handle, "ddwaf_object_map_addl");
_objectFreeField = GetDelegateForNativeFunction <ObjectFreeDelegate>(handle, "ddwaf_object_free", out _objectFreeFuncPtrField);
_getVersionField = GetDelegateForNativeFunction <GetVersionDelegate>(handle, "ddwaf_get_version");
// setup logging
var setupLogging = GetDelegateForNativeFunction <SetupLoggingDelegate>(handle, "ddwaf_set_log_cb");
// convert to a delegate and attempt to pin it by assigning it to field
setupLogCallbackField = LoggingCallback;
// set the log level and setup the logger
var level = GlobalSettings.Source.DebugEnabled ? DDWAF_LOG_LEVEL.DDWAF_DEBUG : DDWAF_LOG_LEVEL.DDWAF_INFO;
setupLogging(Marshal.GetFunctionPointerForDelegate(setupLogCallbackField), level);
}
internal string GetVersion()
{
this.ThrowIfDisposed();
if(this._GetVersionDelegate == null){
this._GetVersionDelegate = this.LoadMethod<GetVersionDelegate>("gflGetVersion");
}
return Marshal.PtrToStringAnsi(this._GetVersionDelegate());
}
public NXTProtocol(object s, NXTStreamType stype)
{
stream = s;
streamType = stype;
cmdThread = new Thread(CommandWorker);
lsGetStatusDelegate = null;
lsReadDelegate = null;
ultrasonicDelegate = null;
batteryLevelDelegate = null;
getVersionDelegate = null;
getOutputDelegate = null;
getInputDelegate = null;
messageReadDelegate = null;
keepAliveDelegate = null;
}
